<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
b
<% pageContext.setAttribute("b", "bbb"); 
request.setAttribute("c","ccc");
request.getRequestDispatcher("c.jsp").forward(request, response);

%>
</body>
</html>